From: Erik Walthinsen <omega@pdxcolo.net>
Subject: Re: Converting open filehandles to pathnames
Date: Sun, 09 May 2004 14:11:30 -0700
Sender: nfs-admin@lists.sourceforge.net
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	 <20040509072418.GB18762@sgi.com> <1084063428.714.40.camel@omikron>
	 <1084148814.29382.32.camel@binkley>  <20040510030029.GL30964@polop.usc.edu>
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Cc: nfs@lists.sourceforge.net
To: Garrick Staples <garrick@usc.edu>
In-Reply-To: <20040510030029.GL30964@polop.usc.edu>
Errors-To: nfs-admin@lists.sourceforge.net

On Sun, 2004-05-09 at 20:00, Garrick Staples wrote:
> > Any thoughts to making this program available anywhere? I'd be
> > interested to get some mappings to find out who my most abusive users
> > are.
> Come to think of it, I've found myself in the same situation... wondering who
> is beating up my NFS servers.  This would be a great tool to have.

Sure.  In its current incarnation it's a Python script using a pcap
module I found in some package that I can no longer identify....  It's
also quite tied to my current file structure, though some of that also
has to do with the earlier assumptions I made about filehandles.

The biggest challenge for general usage is the inode -> pathname
translation.  In my case there are currently about 900 files I can look
up before the packet capture starts, and cache those inode numbers.  A
general utility will require a different solution, starting with the
existing method of snooping getattr and other calls.  Any other
suggestions on how I can generically convert inodes to pathnames without
massive overhead?

Once I have my current code doing what I want I'll clean it up and post
it here so it can be hacked into a useful tool.


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